Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

661421 (number)

661421 is an odd 6-digits prime number following 661420 and preceding 661422. In scientific notation, it is written as 6.61421 × 10^5. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 661420 positive integers (up to 661421) that are relatively prime to 661421.

Interesting facts

661421 has 2 divisors, whose sum is 661422
The reverse of 661421 is 124166
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	six hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	6.61421 × 10^5
Engineering notation	6.61421 × 10^3

Prime Factorization of 661421

Prime Factorization 661421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	661421	Product of the distinct prime numbers

The prime factorization of 661421 is 661421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 3, 39, 27, 319, 407, 146, 2028, 62968, 32416, 282527, 558325, 9271129, 3875742, 7983722, 57785377, 403907269, 975780035, 3171579526, 7193678731

Basic calculations (n = 661421)

Multiplication

n×y

n×2	1322842
n×3	1984263
n×4	2645684
n×5	3307105

Division

n÷y

n÷2	330710.5
n÷3	220473.66666667
n÷3	165355.25
n÷5	132284.2

Exponentiation

n^y

n²	437477739241
n³	289356963766521461
n⁴	1.9138677233142E+23
n⁵	1.2658723034222E+29

Nth Root

^y√n

²√n	813.27793527182
³√n	87.12831727827
⁴√n	28.518028250071
⁵√n	14.591354064973

Divisors of 661421

1, 661421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	661422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	330711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	813.27855006756	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999969762119	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661421 can be divided by 2 positive divisors. The sum of these divisors (counting 661421) is 661422, the average is 330711.

Base conversion 661421

Base	System	Value
2	Binary	10100001011110101101
3	Ternary	1020121022002
4	Quaternary	2201132231
5	Quinary	132131141
6	Senary	22102045
8	Octal	2413655
10	Decimal	661421
12	Duodecimal	27a925
16	Hexadecimal	a17ad
20	Vigesimal	42db1
36	Base36	e6ct

Cryptographic Hash Functions

md5	a9f821f55a910129d73a85796816d9e6
sha1	d0eb9aade5b678fc47187451c6535d70c12ed3a7
sha256	ecdbd4abb2df9fd323df87a45f58726e461dee1906504e4da80b8bef35379127
sha512	d40d6aa193097c3745867936fc0bc4708a6f9248c8560503097582b3840627b48dcffe3568e8cded0523ea9e0cb222e33cdcfee931b3288f04343ad2ed29ba54
ripemd-160	2fa5308a1291a080edaa1f7b4cbb68eb8fb5871f

661421 as geometric shapes

Circle

Radius = n

Diameter	1322842
Circumference	4155830.70906
Area	1374376851708.6

Sphere

Radius = n

Volume	1.2120556155119E+18
Surface area	5497507406834.4
Circumference	4155830.70906

Square

Length = n

Perimeter	2645684
Area	437477739241
Diagonal	935390.54863838

Cube

Length = n

Surface area	2624866435446
Volume	289356963766521461
Space diagonal	1145614.777193

Equilateral Triangle

Length = n

Perimeter	1984263
Area	189433417886.45
Altitude	572807.38859651

Triangular Pyramid

Length = n

Surface area	189433417886.45
Volume	3.4101045210476E+16
Height	311796.84954612